966644 has 48 divisors (see below), whose sum is σ = 2150400. Its totient is φ = 370656.

The previous prime is 966631. The next prime is 966653. The reversal of 966644 is 446669.

966644 = T₆₉ + T₇₀ + ... + T₁₈₂.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

966644 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12197 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (44800).

2⁹⁶⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 966644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075200).

966644 is an abundant number, since it is smaller than the sum of its proper divisors (1183756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966644 is a wasteful number, since it uses less digits than its factorization.

966644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 130 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 966644 is about 983.1805531030. The cubic root of 966644 is about 98.8755365458.

The spelling of 966644 in words is "nine hundred sixty-six thousand, six hundred forty-four".